Spruce Trees in Clouds, Clingman's Dome, Great Smoky Mountains National Park, Tennessee, June 26, 1968

Maples and Firs, Hoh Rain Forest, Olympic Peninsula, Washington, July 24, 1975

Canyon Bottom, Ernst Tinaja, Big Bend National Park, Texas, November 2, 1978

Cactus Blossoms, Big Bend National Park, Texas, May 21, 1950

Cow Skeleton, Cow Lakes, near Jordan Valley, Oregon, July 11, 1975

White Wake Robin, Walnut Bottom, Great Smoky Mountains National Park, Tennessee, April 14, 1968

Moss-covered Hemlock, Hoh Rain Forest, Olympic Peninsula, Washington, July 24, 1975

Oak Tree, Smith Spring, Guadalupe Mountains National Park, Texas, May 12, 1977

Yellow Trees on Canyon Wall, Lower Shutup, Big Bend Ranch, Texas, November 5, 1978

Small Stream, Rough Spring, Big Bend National Park, Texas, November 4, 1978

Small Stream, Rough Spring, Big Bend National Park, Texas, November 4, 1978

Small Stream, Rough Spring, Big Bend National Park, Texas, November 4, 1978

A Turkey Track cowboy is hurt when his mount steps in a prairie dog hole and throws him. Turkey Track Ranch, Texas.

[Chief Tall Crane and group of Rosebud Sioux at St. Louis Exposition]

Montana Range Cattle leaving the Badlands After a Severe Blizzard. Yellowstone River in the distance

Inscription and Vines, Temple of Two Kings, Dujiang Dam, Wanxian, Sichuan, China, July 4, 1980

Lama, Guangjuesi [Wudangzhao Monastery], Baotou, Inner Mongolia, China

Lion Statue in Field, Tang Tombs, Shuen Ling, Xi'an, China, June 25, 1980

Stele to Han Wudi, Han Tomb, Xi'an, China, June 25, 1980

Pool in a Brook, Pond Brook, New Hampshire, October 4, 1953